R. T. Onocko-Campos, G. W. de S. Campos, C. E. M. . Amaral, and O. Y. . Tanaka, “Notes for the study on health systems: multifaceted analysis and tracer indicators”, Rev. saúde pública, vol. 54, p. 102, Dec. 2020, doi: 10.11606/s1518-8787.2020054002055.